code: def generate_datetime_as_object_feature() -> Series:
      return Series(
          [
              "8/1/2018 16:27",
              "",  # nan
              np.nan,  # nan
              "4/20/2018 15:37",
              "4/20/2018 15:37",
              "1/01/1800 00:00",
              "12/31/2200 23:59",
              "8/15/2700 7:12",  # nan
              "12/18/1000 2:12",  # nan
          ]
      )
  
imports: import copy
  import numpy
  import pandas
  import pytest
  from pandas import DataFrame, Series
  from autogluon.common.features.feature_metadata import FeatureMetadata
  from autogluon.features.generators import AbstractFeatureGenerator
label_desc: Use image node_id 7 for calling the DataHelper obj's underlying member method code with example usage: obj.generate_datetime_as_object_feature() and returns: Series